[INFO] fetching crate libr 0.1.0...
[INFO] checking libr-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate libr 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate libr 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libr 0.1.0
[INFO] finished tweaking crates.io crate libr 0.1.0
[INFO] tweaked toml for crates.io crate libr 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cea792f9108e7a4964f808ce68b579edc695aa78e82e1f90982f6dbe8cb23e1f
[INFO] running `Command { std: "docker" "start" "-a" "cea792f9108e7a4964f808ce68b579edc695aa78e82e1f90982f6dbe8cb23e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cea792f9108e7a4964f808ce68b579edc695aa78e82e1f90982f6dbe8cb23e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea792f9108e7a4964f808ce68b579edc695aa78e82e1f90982f6dbe8cb23e1f", kill_on_drop: false }`
[INFO] [stdout] cea792f9108e7a4964f808ce68b579edc695aa78e82e1f90982f6dbe8cb23e1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ae5b10277caa79ecf331ba1c6ee75e5a9534bee76547e7a717d1542dd4fac0e
[INFO] running `Command { std: "docker" "start" "-a" "0ae5b10277caa79ecf331ba1c6ee75e5a9534bee76547e7a717d1542dd4fac0e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling libr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `PARSE_NULL` should have an upper camel case name
[INFO] [stdout]  --> src/ext/parse.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     PARSE_NULL = 0,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `ParseNull`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PARSE_OK` should have an upper camel case name
[INFO] [stdout]  --> src/ext/parse.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     PARSE_OK,
[INFO] [stdout]   |     ^^^^^^^^ help: convert the identifier to upper camel case: `ParseOk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PARSE_INCOMPLETE` should have an upper camel case name
[INFO] [stdout]  --> src/ext/parse.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     PARSE_INCOMPLETE,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ParseIncomplete`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PARSE_ERROR` should have an upper camel case name
[INFO] [stdout]  --> src/ext/parse.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     PARSE_ERROR,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `ParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PARSE_EOF` should have an upper camel case name
[INFO] [stdout]  --> src/ext/parse.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     PARSE_EOF,
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to upper camel case: `ParseEof`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_NORESTORE` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     SA_NORESTORE = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SaNorestore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_RESTORE` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     SA_RESTORE,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `SaRestore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_DEFAULT` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     SA_DEFAULT, // was === SA_RESTORE
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `SaDefault`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_NOSAVE` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     SA_NOSAVE,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SaNosave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_SAVE` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     SA_SAVE,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `SaSave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_SAVEASK` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SA_SAVEASK,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `SaSaveask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_SUICIDE` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     SA_SUICIDE,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `SaSuicide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_ANY_SYM` should have an upper camel case name
[INFO] [stdout]   --> src/ext/rdynload.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     R_ANY_SYM = 0,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `RAnySym`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_C_SYM` should have an upper camel case name
[INFO] [stdout]   --> src/ext/rdynload.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     R_C_SYM,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `RCSym`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_CALL_SYM` should have an upper camel case name
[INFO] [stdout]   --> src/ext/rdynload.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     R_CALL_SYM,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `RCallSym`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_FORTRAN_SYM` should have an upper camel case name
[INFO] [stdout]   --> src/ext/rdynload.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     R_FORTRAN_SYM,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RFortranSym`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_EXTERNAL_SYM` should have an upper camel case name
[INFO] [stdout]   --> src/ext/rdynload.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     R_EXTERNAL_SYM,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RExternalSym`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::ext::libextern::*`
[INFO] [stdout]   --> src/internals.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use super::ext::libextern::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::ext::random::*`
[INFO] [stdout]  --> src/r.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use super::ext::random::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PARSE_NULL` should have an upper camel case name
[INFO] [stdout]  --> src/ext/parse.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     PARSE_NULL = 0,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `ParseNull`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PARSE_OK` should have an upper camel case name
[INFO] [stdout]  --> src/ext/parse.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     PARSE_OK,
[INFO] [stdout]   |     ^^^^^^^^ help: convert the identifier to upper camel case: `ParseOk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PARSE_INCOMPLETE` should have an upper camel case name
[INFO] [stdout]  --> src/ext/parse.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     PARSE_INCOMPLETE,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ParseIncomplete`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PARSE_ERROR` should have an upper camel case name
[INFO] [stdout]  --> src/ext/parse.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     PARSE_ERROR,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `ParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PARSE_EOF` should have an upper camel case name
[INFO] [stdout]  --> src/ext/parse.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     PARSE_EOF,
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to upper camel case: `ParseEof`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_NORESTORE` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     SA_NORESTORE = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SaNorestore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_RESTORE` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     SA_RESTORE,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `SaRestore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_DEFAULT` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     SA_DEFAULT, // was === SA_RESTORE
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `SaDefault`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_NOSAVE` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     SA_NOSAVE,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SaNosave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_SAVE` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     SA_SAVE,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `SaSave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_SAVEASK` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SA_SAVEASK,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `SaSaveask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SA_SUICIDE` should have an upper camel case name
[INFO] [stdout]   --> src/ext/r_startup.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     SA_SUICIDE,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `SaSuicide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_ANY_SYM` should have an upper camel case name
[INFO] [stdout]   --> src/ext/rdynload.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     R_ANY_SYM = 0,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `RAnySym`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_C_SYM` should have an upper camel case name
[INFO] [stdout]   --> src/ext/rdynload.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     R_C_SYM,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `RCSym`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_CALL_SYM` should have an upper camel case name
[INFO] [stdout]   --> src/ext/rdynload.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     R_CALL_SYM,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `RCallSym`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_FORTRAN_SYM` should have an upper camel case name
[INFO] [stdout]   --> src/ext/rdynload.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     R_FORTRAN_SYM,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RFortranSym`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_EXTERNAL_SYM` should have an upper camel case name
[INFO] [stdout]   --> src/ext/rdynload.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     R_EXTERNAL_SYM,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RExternalSym`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::ext::libextern::*`
[INFO] [stdout]   --> src/internals.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use super::ext::libextern::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::ext::random::*`
[INFO] [stdout]  --> src/r.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use super::ext::random::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]  --> src/ext/print.rs:9:56
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn Rvprintf(arg1: *const ::libc::c_char, arg2: va_list) -> ();
[INFO] [stdout]   |                                                        ^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider passing a pointer to the array
[INFO] [stdout]   = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]   --> src/ext/print.rs:10:57
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn REvprintf(arg1: *const ::libc::c_char, arg2: va_list) -> ();
[INFO] [stdout]    |                                                         ^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider passing a pointer to the array
[INFO] [stdout]    = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]  --> src/ext/print.rs:9:56
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn Rvprintf(arg1: *const ::libc::c_char, arg2: va_list) -> ();
[INFO] [stdout]   |                                                        ^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider passing a pointer to the array
[INFO] [stdout]   = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]   --> src/ext/print.rs:10:57
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn REvprintf(arg1: *const ::libc::c_char, arg2: va_list) -> ();
[INFO] [stdout]    |                                                         ^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider passing a pointer to the array
[INFO] [stdout]    = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rf_endEmbeddedR` and `Rf_initEmbeddedR`
[INFO] [stdout]  --> examples/03-embedded-parse-eval.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libr::embedded::{self, Rf_endEmbeddedR, Rf_initEmbeddedR};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::c_int`
[INFO] [stdout]  --> examples/02-embedded-named-call.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc::c_int;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rf_endEmbeddedR` and `Rf_initEmbeddedR`
[INFO] [stdout]  --> examples/02-embedded-named-call.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 | use libr::embedded::{self, Rf_endEmbeddedR, Rf_initEmbeddedR};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "0ae5b10277caa79ecf331ba1c6ee75e5a9534bee76547e7a717d1542dd4fac0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae5b10277caa79ecf331ba1c6ee75e5a9534bee76547e7a717d1542dd4fac0e", kill_on_drop: false }`
[INFO] [stdout] 0ae5b10277caa79ecf331ba1c6ee75e5a9534bee76547e7a717d1542dd4fac0e